| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] if it is [not/n't] | 65 |
|
| 2 | if it is [not/n't] [prep] | 39 |
|
| 3 | [adv] it is [not/n't] [prep] | 32 |
|
| 4 | [adv] if it is [prep] | 31 |
|
